Tantalum sputtering target, Tantalum disc Grade: RO5200,RO5252,RO5255 Standard ASTM B 708- ... foil tube ,rod,wire,sheet,plate, ,rod,strip,target and so on.Tantalum sputtering target, Tantalum targetMaterial: RO5200, RO5400, RO5252(Ta-2.5W ... .The Special sizes are available upon customer’s requirement. Tantalum Coating Target, Tantalum sputtering target